How to Apply for an IL Business Entity

Illinois corporation search by Find-a-Company

Businesses in Illinois must be registered with the Illinois Secretary of State. The current Secretary of State of Illinois holds responsibility for registering and keeping records on every business. Registration information about a Business Entity in Illinois can be found by searching the Illinois Secretary of State.

Another responsibility of the Secretary of State is to dissolve a Business Entity that is no longer active.


Start your search at the Illinois Secretary of State to find the Business Entity you are looking for.

When you get your result, information typically available includes:

  • Official Name of Business Entity
  • Business Entity ID Number
  • Status
  • Location in Illinois
  • Illinois Agent of Service for Business Entity
  • Registered Agent Address
  • Business Entity Phone Number

“Chase the vision, not the money, the money will end up following you.” — Tony Hsieh, Zappos CEO